Ecoacoustic Beamforming Analysis

🧭 Geophony Profile Metadata

Profile: surf_river

Weights: {'Hf': 0.1, 'ADI': 0.3, 'TEMP': 0.1, 'ACI': 0.2, 'SPATIAL': 0.3}

Params: ADI_dB=-30, corr=0.65, min_angle=40.0, hpf=60, envelope_median_ms=None

DEBUG: LF_energy<120Hz pre=0.2290 post=0.1237 (profile=surf_river, preproc=applied)

DEBUG: total_score(direction_0)=0.4278 (profile=surf_river)

DEBUG: ADI_dB threshold used: -30

📊 Analysis Parameters

Duration: 30s

Grid Mode: fibonacci

Max Exports: 5

Min Uniqueness: 0.3

Correlation Threshold: 0.7

Sample Rate: 44100 Hz

Total Directions

Selected Directions

Exported Files

Analysis Duration

30s

🔊 Selected Direction Audio Files

Listen to the exported beamformed audio for each selected direction:

Direction: WEST

Uniqueness Score: 0.7392

RMS Power: 0.0127

Components:
Activity: 0.532 | Frequency: 0.940 | Temporal: 0.054 | Acoustic: 0.494 | Spatial: 1.000

Direction: SOUTHEAST

Uniqueness Score: 0.4448

RMS Power: 0.0160

Components:
Activity: 1.000 | Frequency: 0.392 | Temporal: 0.341 | Acoustic: 0.409 | Spatial: 0.371

Direction: NORTH

Uniqueness Score: 0.4278

RMS Power: 0.0159

Components:
Activity: 0.637 | Frequency: 0.071 | Temporal: 0.955 | Acoustic: 0.862 | Spatial: 0.249

Direction: UP-SOUTH

Uniqueness Score: 0.3644

RMS Power: 0.0115

Components:
Activity: 0.962 | Frequency: 0.501 | Temporal: 0.040 | Acoustic: 0.156 | Spatial: 0.276

📈 Analysis Results Overview

Selection Analysis Visualization

Exported Direction Spectrograms

📋 Detailed Metrics (Selected Directions)

Direction	ACI	ADI	Hf	Ht	Total Score	RMS Power
north	595.7320	0.0375	0.4594	0.9666	0.4278	0.0159
southeast	594.1044	0.1961	0.4948	0.9798	0.4448	0.0160
west	594.4085	0.4671	0.4492	0.9859	0.7392	0.0127
up-south	593.1945	0.2502	0.4911	0.9862	0.3644	0.0115

⚖️ Uniqueness Score Weights

Activity (Hf): 0.25

Frequency Diversity (ADI): 0.25

Temporal Complexity (1-Ht): 0.15

Acoustic Complexity (ACI): 0.20

Spatial Uniqueness: 0.15

📁 Generated Files

📊 maad_indices_all_directions.csv - Complete indices for all directions
📊 maad_indices.csv - Indices for selected/exported directions
📈 selection_analysis.png - Comprehensive analysis visualization
📈 exported_spectrograms.png - Spectrogram comparison
📄 selection_report.txt - Detailed text report
📊 correlation_matrix.csv - Direction correlation data
🎵 ecoacoustic_west_30s.wav - Beamformed audio file (SELECTED)
🎵 ecoacoustic_southeast_30s.wav - Beamformed audio file (SELECTED)
🎵 ecoacoustic_north_30s.wav - Beamformed audio file (SELECTED)
🎵 ecoacoustic_up-south_30s.wav - Beamformed audio file (SELECTED)

🎵 Ecoacoustic Beamforming Analysis Report

general-geo